Home / 45,536.57-68,312.75-13,945.88

Finding the Fourth Proportional to 45,536.57, 68,312.75 and 13,945.88

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Solution

The fourth proportional to 45,536.57, 68,312.75 and 13,945.88 is: 20,921.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,536.57 : 68,312.75 = 13,945.88 : x
  2. Step 2: Convert to fraction form
    45,536.57/68,312.75 = 13,945.88/x
  3. Step 3: Cross multiply
    45,536.57x = 68,312.75 × 13,945.88
  4. Step 4: Simplify right side
    45,536.57x = 952,681,002.68
  5. Step 5: Solve for x
    x = 952,681,002.68/45,536.57
  6. Step 6: Final answer
    x = 20,921.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.